Adjustable box wrench



FIG. 1 is a top plan view of an adjustable box wrench;

FIG. 2 is a bottom plan view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a front elevational view thereof;

FIG. 5 is a left end elevational view thereof; and,

FIG. 6 is a right end elevational view thereof.

The ornamental design for an adjustable box wrench, as shown anddescribed.